MS SQL Server Joins Question: Download Questions PDF
What is inner join? Explain with an example?
Answer:
INNER JOIN: Inner join returns rows when there is at least one match in both tables.
Syntax:
SELECT column_name(s) FROM table_name1 INNER JOIN table_name2 ON table_name1.column_name=table_name2.column_name
Example: To display records of an employee who got an appraisal.
SELECT employee.firstname, appraisal.amount FROM employee INNER JOIN appraisal ON employee.id = appraisal.employee.id;
Syntax:
SELECT column_name(s) FROM table_name1 INNER JOIN table_name2 ON table_name1.column_name=table_name2.column_name
Example: To display records of an employee who got an appraisal.
SELECT employee.firstname, appraisal.amount FROM employee INNER JOIN appraisal ON employee.id = appraisal.employee.id;
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